<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<script type="text/javascript">


// console.log( [1,2,3] === [1,2,3] );

var obj1 = {
	a:1
}

var obj2 = obj1;

obj1.a = 'aaaaa';

console.log( obj1,obj2 );


var arr1 = [1,2,3];
var arr2 = arr1;
console.log( arr1 === arr2 );



</script>

</body>
</html>